A/C Mobile - Automotive air condition diagnosis and service procedures..
Auto Air Basics - A few things to know about air conditioning theory of operation.
Jbabs Do It Yourself A/C Repair - Drive more comfortably by doing it yourself. Includes how to change over from R-12 to R-134 freon..
Understanding Your A/C System - Basic component descriptions to help you better understand your air conditioning system..
U.S. EPA: Motor Vehicle Air Conditioners - Fact sheets for consumers and technicians related to the 1997 rule governing substitutes for CFC-12 refrigerant in MVACs..
